scipy.constants.find(sub=None, disp=False)[source]

Return list of codata.physical_constant keys containing a given string.

Parameters :

sub : str, unicode

Sub-string to search keys for. By default, return all keys.

disp : bool

If True, print the keys that are found, and return None. Otherwise, return the list of keys without printing anything.

Returns :

keys : list or None

If disp is False, the list of keys is returned. Otherwise, None is returned.

See also

Contains the description of physical_constants, which, as a dictionary literal object, does not itself possess a docstring.